[428449G, Conexant CX20590, Speaker, Internal] No sound at all

[Nikolaj Hansen]

Linux stevieray 3.0.0-12-generic #20-Ubuntu SMP Fri Oct 7 14:56:25 UTC 2011 x86_64 x86_64 x86_64 GNU/Linux

http://www.alsa-project.org/db/?f=9e7215a5e45eef9d84db6ad4c95a78dd347eade7

ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: alsa-base 1.0.24+dfsg-0ubuntu2
ProcVersionSignature: Ubuntu 3.0.0-12.20-generic 3.0.4
Uname: Linux 3.0.0-12-generic x86_64
NonfreeKernelModules: nvidia
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 1.23-0ubuntu3
Architecture: amd64
ArecordDevices:
 **** List of CAPTURE Hardware Devices ****
 card 0: PCH [HDA Intel PCH], device 0: CONEXANT Analog [CONEXANT Analog]
   Subdevices: 0/1
   Subdevice #0: subdevice #0
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC1: nikolaj 1799 F.... pulseaudio
 /dev/snd/controlC0: nikolaj 1799 F.... pulseaudio
 /dev/snd/pcmC0D0c: nikolaj 1799 F...m pulseaudio
Card0.Amixer.info:
 Card hw:0 'PCH'/'HDA Intel PCH at 0xd8420000 irq 53'
   Mixer name : 'Conexant CX20590'
   Components : 'HDA:14f1506e,17aa21cf,00100000 HDA:14f12c06,17aa2122,00100000'
   Controls : 8
   Simple ctrls : 5
Card1.Amixer.info:
 Card hw:1 'NVidia'/'HDA NVidia at 0xd6000000 irq 17'
   Mixer name : 'Nvidia GPU 11 HDMI/DP'
   Components : 'HDA:10de0011,10de0101,00100100'
   Controls : 16
   Simple ctrls : 4
Card29.Amixer.info:
 Card hw:29 'ThinkPadEC'/'ThinkPad Console Audio Control at EC reg 0x30, fw unknown'
   Mixer name : 'ThinkPad EC (unknown)'
   Components : ''
   Controls : 1
   Simple ctrls : 1
Card29.Amixer.values:
 Simple mixer control 'Console',0
   Capabilities: pswitch pswitch-joined penum
   Playback channels: Mono
   Mono: Playback [off]
Date: Sun Oct 16 12:53:51 2011
EcryptfsInUse: Yes
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
PackageArchitecture: all
ProcEnviron:
 LANGUAGE=en_US:en
 PATH=(custom, user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:PCH failed
Symptom_Card: Internal Audio - HDA Intel PCH
Symptom_Jack: Speaker, Internal
Symptom_Type: No sound at all
Title: [428449G, Conexant CX20590, Speaker, Internal] No sound at all
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 05/13/2011
dmi.bios.vendor: LENOVO
dmi.bios.version: 8BET44WW (1.24 )
dmi.board.asset.tag: Not Available
dmi.board.name: 428449G
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: dmi:bvnLENOVO:bvr8BET44WW(1.24):bd05/13/2011:svnLENOVO:pn428449G:pvrThinkPadW520:rvnLENOVO:rn428449G:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 428449G
dmi.product.version: ThinkPad W520
dmi.sys.vendor: LENOVO

[Nikolaj Hansen (barnabasdk)]

It seems the system (ubuntu) mute and the hw (Lenovo) mute status'es can get out of sync. For example the sound applets shows no mute and the hw mute lamp does. And vice verca.

Work around:

Set the hardware and the applet to mute off (sound on) - reboot. The status is now in sync for the mute setting.

It seems to be the software, that fails to set the hw status. Selecting mute in the applet does not update hw.

Setting mute on hw correctly updates software.

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[raboof (arnouten)]

This is extra annoying because when the hw mute is enabled, you will hear no sound, regardless of the ALSA mute state.

When the hw mute is out of sync with the ALSA mute, you don't need to reboot, you can just bring it back in sync by manipulating the ALSA mute.

The hw mute status is toggled when the hw mute button is pressed (though that also generates a keyboard event). Also, when using the hardware volume keys the mute state will be disabled.

[Marcus Tomlinson (marcustomlinson)]

This release of Ubuntu is no longer receiving maintenance updates. If this is still an issue on a maintained version of Ubuntu please let us know.

[Launchpad Janitor (janitor)]

[Expired for alsa-driver (Ubuntu) because there has been no activity for 60 days.]